Photo Gallery: Weigh-in time at the zoo

Vicki Fyson a trainee keeper at London Zoo attempts to weigh and measure a Humboldt penguin, in London, Wednesday, Aug. 22, 2012. Zookeepers are grabbing their scales and reaching for the tape measures, as they prepare to monitor every animal at ZSL London Zoo's annual weigh-in.

Published August 27. 2012 12:01AM

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